To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
The exterior fabric is so rough that the undersides of my arms, especially armpits (where the facing seam is covered by the exterior fabric) and elbows were irritated after wearing (where they brushed the fabric as I moved my arms). I gave it away to someone with less sensitive skin!